CN210334399U

CN210334399U - Hydraulic centering and aligning device for machine tool chuck

Info

Publication number: CN210334399U
Application number: CN201920832630.3U
Authority: CN
Inventors: 刘宝海; 马素华
Original assignee: Dalipal Pipe Co
Current assignee: Dalipal Pipe Co
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-04-17
Anticipated expiration: 2029-06-04

Abstract

The utility model relates to the technical field of auxiliary devices for steel pipe production and processing, in particular to a hydraulic centering and aligning device for a chuck of a machine tool, which improves the processing speed, prolongs the service life, can independently maintain each component and reduces the maintenance intensity and the cost; including hydraulic motor, the hydraulic motor output is provided with the gear, gear engagement has the ring gear, be provided with three lead screw nuts of group on the ring gear, three lead screw nuts of group are provided with three lead screws of group respectively, three lead screw output of group are provided with the transmission ring, the transmission ring output is provided with the link ring, the link ring is through three centering rod removals of three group of connecting block drive, all be provided with the round pin axle on three connecting blocks of group, be provided with three eccentric axles of group on the link ring, three centering rod outsides of group are provided with three centering sleeve of group.

Description

Hydraulic centering and aligning device for machine tool chuck

Technical Field

The utility model relates to a steel pipe production and processing auxiliary device's technical field especially relates to a lathe chuck hydraulic pressure centering aligning device.

Background

Chucks are well known mechanical devices used to clamp workpieces on machine tools. Utilize the radial movement of the movable jack catch of equipartition on the chuck body, press from both sides the lathe annex of tight and location of work piece, during the chuck installation, need debug repeatedly in order to be centering alignment, cause the chuck to damage easily, consequently, urgent need a chuck centering aligning device

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an improve the processing speed, increase of service life, but each subassembly individual maintenance reduces the lathe chuck hydraulic pressure centering aligning device of maintenance intensity and expense.

The utility model discloses a lathe chuck hydraulic pressure centering aligning device, including hydraulic motor, the hydraulic motor output is provided with the gear, gear engagement has the ring gear, be provided with three lead screw nuts of group on the ring gear, three lead screw nuts of group are provided with three lead screws of group respectively, three lead screw outputs of group are provided with the transmission ring, transmission ring output is provided with the link ring, the link ring removes through three centering rods of three group of connecting block drive, all is provided with the round pin axle on three group's connecting blocks, be provided with three eccentric shafts of group on the link ring, three centering rod outsides of group are provided with three centering sleeves of group respectively.

The utility model discloses a lathe chuck hydraulic pressure centering aligning device still includes three buffer gear of group, every group buffer gear all includes movable sleeve, fixed sleeve, spring centering rod and spring.

The utility model discloses a lathe chuck hydraulic pressure centering aligning device still includes two sets of guiding orientation device, every group guiding orientation device all includes right proximity switch, left proximity switch, guide bar and guide sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: the motion of the device is divided into two motion states of extension and retraction, and the motion process of each motion state is as follows: when the machine tool is in an extending state, the machine tool control system sends an action command, the hydraulic system starts to provide power, the hydraulic motor rotates and drives the gear to rotate, the gear drives the gear ring to rotate, the gear ring drives the screw nut to rotate, the screw nut drives the screw to linearly move leftwards, the screw drives the transmission ring to move, the transmission ring drives the linkage ring to move, the linkage ring drives the centering rods to perform oblique line movement through the connecting blocks and approach the center of the main shaft, the three sets of uniformly distributed centering rods simultaneously move, so that centering and centering actions are completed, the hydraulic motor starts to reversely rotate under the command of the machine tool control system in a retracting state, the gear and the gear ring also rotate reversely along with the gear and the gear ring, so that the screw nut drives the screw to linearly move rightwards, finally the centering rods are far away from the center of the main shaft and return to an initial position under the linkage condition, so that the retracting action is completed, the quick-change tool is convenient to debug, replace and maintain, the internal quick-wear part is mainly provided with the sealing element, the service life of the quick-change tool is long, in addition, each component can be maintained independently, the processing speed is improved, the service life is prolonged, each component can be maintained independently, and the maintenance intensity and the maintenance cost are reduced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the attachment of the guide positioning device;

FIG. 3 is a schematic view of the connection of the link ring, centering rod, connecting block, eccentric shaft and pin shaft;

in the drawings, the reference numbers: 1. a hydraulic motor; 2. a gear; 3. a ring gear; 4. a drive ring; 5. a link ring; 6. moving the sleeve; 7. fixing the sleeve; 8. a spring centering rod; 9. a spring; 10. a centering sleeve; 11. a centering rod; 12. connecting blocks; 13. a lead screw nut; 14. a lead screw; 15. a right proximity switch; 16. a left proximity switch; 17. a guide bar; 18. a guide sleeve; 19. off-axis; 20. and (7) a pin shaft.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 3, the utility model discloses a hydraulic centering and aligning device for a machine tool chuck, including hydraulic motor 1, hydraulic motor 1 output is provided with gear 2, gear 2 meshes has ring gear 3, be provided with three sets of screw nuts 13 on the ring gear 3, three sets of screw nuts 13 are provided with three sets of lead screws 14 respectively, three sets of lead screw 14 outputs are provided with drive ring 4, the drive ring 4 output is provided with linkage ring 5, linkage ring 5 drives three sets of centering rods 11 to move through three sets of connecting blocks 12, all be provided with round pin axle 20 on three sets of connecting blocks 12, be provided with three sets of eccentric shafts 19 on linkage ring 5, three sets of centering rods 11 outside are provided with three sets of centering sleeves 10 respectively; the motion of the device is divided into two motion states of extension and retraction, and the motion process of each motion state is as follows: when the machine tool is in an extending state, the machine tool control system sends an action command, the hydraulic system starts to provide power, the hydraulic motor rotates and drives the gear to rotate, the gear drives the gear ring to rotate, the gear ring drives the screw nut to rotate, the screw nut drives the screw to linearly move leftwards, the screw drives the transmission ring to move, the transmission ring drives the linkage ring to move, the linkage ring drives the centering rods to perform oblique line movement through the connecting blocks and approach the center of the main shaft, the three sets of uniformly distributed centering rods simultaneously move, so that centering and centering actions are completed, the hydraulic motor starts to reversely rotate under the command of the machine tool control system in a retracting state, the gear and the gear ring also rotate reversely along with the gear and the gear ring, so that the screw nut drives the screw to linearly move rightwards, finally the centering rods are far away from the center of the main shaft and return to an initial position under the linkage condition, so that the retracting action is completed, the quick-change tool is convenient to debug, replace and maintain, the internal quick-wear part is mainly provided with the sealing element, the service life of the quick-change tool is long, in addition, each component can be maintained independently, the processing speed is improved, the service life is prolonged, each component can be maintained independently, and the maintenance intensity and the maintenance cost are reduced.

The utility model discloses a lathe chuck hydraulic pressure centering aligning device, still include three buffer gear groups, each buffer gear group includes moving sleeve 6, fixed sleeve 7, spring centering rod 8 and spring 9; the three groups of buffer mechanisms play a role in buffering.

The utility model discloses a lathe chuck hydraulic pressure centering aligning device, still include two sets of guiding orientation device, every guiding orientation device of group all includes right proximity switch 15, left proximity switch 16, guide bar 17 and guide sleeve 18; the accuracy of the main movement is guaranteed by the right proximity switch and the left proximity switch, and whether the movement position of the main movement is correct or not is detected by the guide rod and the guide sleeve.

The utility model discloses a lathe chuck hydraulic pressure centering aligning device, the device's action divide into and stretches out and two kinds of action states of withdrawal, and each action state motion process is: when the machine tool is in the extending state, the machine tool control system sends an action command, the hydraulic system starts to provide power, the hydraulic motor rotates and drives the gear to rotate, the gear drives the gear ring to rotate, the gear ring drives the screw nut to rotate, the screw nut drives the screw to move linearly leftwards, the screw drives the transmission ring to move, the transmission ring drives the linkage ring to move, the linkage ring drives the centering rods to move slantwise through the connecting blocks and to approach the center of the main shaft, the three sets of uniformly distributed centering rods simultaneously move, so that the centering and aligning action is completed, the hydraulic motor starts to rotate reversely under the command of the machine tool control system in the retracting state, the gear and the gear ring also rotate reversely, so that the screw nut drives the screw to move linearly rightwards, and finally the centering rods are far away from the center of the main shaft and return to the initial position under the linkage condition, so that the retracting action is completed, and the accuracy of the main, whether the movement position of the main movement is correct is detected by the guide rod and the guide sleeve, the hydraulic pump and the electromagnetic valve of the hydraulic centering and aligning device are positioned outside the machine tool, so that debugging, replacement and maintenance are facilitated, the internal wearing parts mainly comprise sealing parts, the service life of the internal wearing parts is long, in addition, each component can be maintained independently, and three groups of buffer mechanisms play a role in buffering.

The utility model discloses a lathe chuck hydraulic pressure centering aligning device, above the mounting means of all parts, connected mode or the mode that sets up are the welding, riveting or other common mechanical means, wherein slidable/rotate fixedly promptly for slide/rotate the state under not dropping, sealed intercommunication is sealed when two connecting pieces communicate promptly, and the concrete structure of its all parts, model and coefficient index are its from taking the technique, as long as can reach all can implementing of its beneficial effect, above-mentioned all with the electricity module and with electrical apparatus be the common electrical part in market, buy back the use time only need connect according to the mutual electricity of the instruction manual that together buy back and can use, and control module is its common from taking the module, the event is no longer repeated here.

The hydraulic centering and aligning device for the machine tool chuck of the utility model has the advantages that under the condition of not being reversely explained, the orientation words contained in the terms of up, down, left, right, front, back, inside and outside, vertical and horizontal and the like only represent the orientation of the term in the conventional use state, or be a trivial term understood by those skilled in the art, and should not be considered as limiting the term, at the same time, the numerical terms "first," "second," and "third," etc. do not denote any particular quantity or order, but rather are used to distinguish one from another, furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but also includes other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a lathe chuck hydraulic pressure centering aligning device, a serial communication port, including hydraulic motor (1), hydraulic motor (1) output is provided with gear (2), gear (2) meshing has ring gear (3), be provided with three lead screw nut of group (13) on ring gear (3), three lead screw nut of group (13) are provided with three lead screw of group (14) respectively, three lead screw of group (14) output are provided with driving ring (4), driving ring (4) output is provided with link ring (5), link ring (5) are through three centering rod of group (11) of group drive of group (12) removal, all be provided with round pin axle (20) on three connecting block of group (12), be provided with three eccentric axle of group (19) on link ring (5), three centering rod of group (11) outsides are provided with three centering sleeve of group (10) respectively.

2. A machine tool chuck hydraulic centering and aligning device according to claim 1, characterized by further comprising three sets of damping mechanisms, each set of damping mechanisms comprising a movable sleeve (6), a fixed sleeve (7), a spring centering rod (8) and a spring (9).

3. A machine tool chuck hydraulic centering device according to claim 2, further comprising two sets of guiding and positioning devices, each set of guiding and positioning devices comprising a right proximity switch (15), a left proximity switch (16), a guiding rod (17) and a guiding sleeve (18).